cascading.operation
Interface OperationCall<C>

All Known Subinterfaces:

AggregatorCall<C>, BufferCall<C>, FilterCall<C>, FunctionCall<C>, GroupAssertionCall<C>, ValueAssertionCall<C>

All Known Implementing Classes:

ConcreteCall

public interface OperationCall<C>

Method Summary

Fields	getArgumentFields() Returns the Fields of the expected arguments TupleEntry.
C	getContext() Returns the user set context object, C.
void	setContext(C context) Sets the user defined 'context' object.

Method Detail

getContext

C getContext()

Returns the user set context object, C.

Returns:

user defined object

setContext

void setContext(C context)

Sets the user defined 'context' object.

Parameters:

context - user defined object

getArgumentFields

Fields getArgumentFields()

Returns the Fields of the expected arguments TupleEntry.

Returns:

the argumentFields (type Fields) of this OperationCall object.